Finding the Fourth Proportional to 79,779,280.29, 119,423,478.21 and 52,053,497.34
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Solution
The fourth proportional to 79,779,280.29, 119,423,478.21 and 52,053,497.34 is: 77,920,102.60
Step by Step Solution
- Step 1: Write the proportion equation
79,779,280.29 : 119,423,478.21 = 52,053,497.34 : x - Step 2: Convert to fraction form
79,779,280.29/119,423,478.21 = 52,053,497.34/x - Step 3: Cross multiply
79,779,280.29x = 119,423,478.21 × 52,053,497.34 - Step 4: Simplify right side
79,779,280.29x = 6,216,409,705,337,783 - Step 5: Solve for x
x = 6,216,409,705,337,783/79,779,280.29 - Step 6: Final answer
x = 77,920,102.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.